Haru lunges over to the doctor, held in the sleeper hold by one of the other prisoners, and shoves a fist into her stomach. To his surprise, his hand has become cold while he strikes, but the energy and the feeling dissipates the moment he moves back from the strike.

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Move action: Move to the grappled doctor
Standard action: Energy Blade, punching her in the gut.

Attack roll (1d20+5)[17]
Damage (1d3+1)[4] + (1d6)[6] Frost damage. DC 16 Fort save to avoid being staggered.